Stratolaunch, the largest plane in the world, was first taken out of the hangar on Wednesday in Mojave, California. Paul Allen’s project will perform several tests until 2019, when Stratolaunch will try the first launch of satellites directly into the stratosphere. According to official information, Stratolaunch is made up of a combination of composite materials and has 6 propulsion engines of Boeing 747 , Weighs about 227 tons, has a wingspan of 120 meters and a length of 73 meters. The airplane is designed to have a take off weight of 590 tons and can travel without food at a distance of 3700 kilometers.